Esempio n. 1
0
 public void ResponseMessage(long ID, MessageResponse Response)
 {
     if (SyncPolicy.RequestCertPolicyMessageID == ID)
     {
         if (Response == MessageResponse.Button2) //Nö
         {
             Status.UpdateMessage2();
             return;
         }
         if (Response == MessageResponse.Button3) //?!?
         {
             return;
         }
         if (Response == MessageResponse.Button1) //Yes
         {
             FilesystemData.InstallCertificate(SyncPolicy.RequestCertPolicyCERData);
             InvokeMessage(MessageInvoke.ReloadPolicies);
         }
     }
 }
Esempio n. 2
0
        public static bool DoSyncPolicy()
        {
            RequestCertPolicyID        = 0;
            RequestCertPolicyMessageID = 0;
            RequestCertPolicyCERData   = null;

            List <Int64> ProcessedPolicies = new List <long>();

            Network net;

            net = Utilities.ConnectNetwork(9);
            if (net == null)
            {
                return(false);
            }

            Status.UpdateMessage(9, "Downloading client settings");
            FoxEventLog.VerboseWriteEventLog("Downloading client settings", System.Diagnostics.EventLogEntryType.Information);
            ClientSettings settings = net.GetClientSettings();

            if (settings != null)
            {
                RegistryData.AdministratorName = settings.AdministratorName;
                RegistryData.MessageDisclaimer = settings.MessageDisclaimer;
            }

            Status.UpdateMessage(9, "Downloading policies");
            FoxEventLog.VerboseWriteEventLog("Downloading policies", System.Diagnostics.EventLogEntryType.Information);
            PolicyObjectListSigned    policieslistsigned = net.GetPoliciesForComputer();
            List <PolicyObjectSigned> policies           = policieslistsigned == null ? null : policieslistsigned.Items;

            if (policies == null)
            {
                FoxEventLog.VerboseWriteEventLog("Downloading policies - nix", System.Diagnostics.EventLogEntryType.Information);
                Status.UpdateMessage(9);
                net.CloseConnection();
                return(true);
            }

            if (FilesystemData.LoadedCertificates.Count > 0)
            {
                bool SignatureOK = false;
                foreach (FilesystemCertificateData cer in FilesystemData.LoadedCertificates)
                {
                    if (Certificates.Verify(policieslistsigned, cer.Certificate) == true)
                    {
                        SignatureOK = true;
                        break;
                    }
                }
                if (SignatureOK == false)
                {
                    FoxEventLog.WriteEventLog("Invalid signature for PolicyList - no policies will be processed.", System.Diagnostics.EventLogEntryType.Error);
                    net.CloseConnection();
                    return(true);
                }
            }
            if (RegistryData.Verbose == 1)
            {
                string data = "Got policy:\r\n";
                foreach (PolicyObjectSigned obj in policies)
                {
                    data += obj.Policy.Name + " [ID: " + obj.Policy.ID + " VER: " + obj.Policy.Version + "]\r\n";
                }
                FoxEventLog.VerboseWriteEventLog("Downloading policies " + data, System.Diagnostics.EventLogEntryType.Information);
            }

            if (FilesystemData.LoadedCertificates.Count > 0)
            {
                foreach (PolicyObjectSigned obj in policies)
                {
                    if (ApplicationCertificate.Verify(obj) == false)
                    {
                        FoxEventLog.WriteEventLog("One or more policies were tampered - no policies will be processed.", System.Diagnostics.EventLogEntryType.Error);
                        net.CloseConnection();
                        return(true);
                    }
                }
            }

            #region Certificate Checks

            foreach (PolicyObjectSigned obj in policies)
            {
                if (obj.Policy.Type == PolicyIDs.SignCertificate)
                {
                    if (FilesystemData.ContainsPolicy(obj.Policy, false, false) == true)
                    {
                        continue;
                    }
                    PolicyObjectSigned objj = net.GetPolicyObjectSigned(obj.Policy.ID);
                    //do not verify signing here - that won't work! - Fox
                    PolicySigningCertificates Cert = JsonConvert.DeserializeObject <PolicySigningCertificates>(objj.Policy.Data);
                    if (FilesystemData.ContainsLoadedCert(Convert.FromBase64String(Cert.UUCerFile)) == true)
                    {
                        continue;
                    }
                    bool sig = Certificates.Verify(Convert.FromBase64String(Cert.UUCerFile), Convert.FromBase64String(Cert.UUSignFile), InternalCertificate.Main);
                    if (sig == false)
                    {
                        RequestCertPolicyID      = objj.Policy.ID;
                        RequestCertPolicyCERData = Convert.FromBase64String(Cert.UUCerFile);
                        string CN = Certificates.GetCN(Convert.FromBase64String(Cert.UUCerFile));
                        if (CN == null)
                        {
                            FoxEventLog.WriteEventLog("Invalid certificate from server (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error);
                            continue;
                        }
                        Status.RequestCertificateConfirm("The certificate with " + CN + " is not signed by Vulpes. This may that someone tampered the connection, or a false certificate is installed on the server.\nDo you want to continue, and trust this certificate?", RequestCertPolicyID);
                        RequestCertPolicyMessageID = Status.MessageID;
                        FoxEventLog.WriteEventLog("Got unsinged certificate (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + " " + CN + ")", System.Diagnostics.EventLogEntryType.Warning);
                    }
                    else
                    {
                        string CN = Certificates.GetCN(Convert.FromBase64String(Cert.UUCerFile));
                        if (CN == null)
                        {
                            FoxEventLog.WriteEventLog("Invalid (Vulpes signed) certificate from server (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error);
                            continue;
                        }
                        FilesystemData.InstallCertificate(Convert.FromBase64String(Cert.UUCerFile));
                    }
                }
            }

            #endregion

            if (FilesystemData.LoadedCertificates.Count > 0)
            {
                foreach (PolicyObjectSigned obj in policies)
                {
                    if (FilesystemData.ContainsPolicy(obj.Policy, false, false) == true)
                    {
                        if (ProcessedPolicies.Contains(obj.Policy.ID) == false)
                        {
                            ProcessedPolicies.Add(obj.Policy.ID);
                        }
                        FilesystemData.UpdatePolicyOrder(obj.Policy, obj.Policy.Order);
                        continue;
                    }

                    PolicyObjectSigned objj = net.GetPolicyObjectSigned(obj.Policy.ID);
                    if (objj == null)
                    {
                        FoxEventLog.WriteEventLog("No data for policy - not applying (Policy ID=" + obj.Policy.ID.ToString() + " Name=" + obj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error);
                        continue;
                    }
                    if (ApplicationCertificate.Verify(objj) == false)
                    {
                        FoxEventLog.WriteEventLog("Policy was tampered - not applying (Policy ID=" + objj.Policy.ID.ToString() + " Name=" + objj.Policy.Name + ")", System.Diagnostics.EventLogEntryType.Error);
                        continue;
                    }

                    if (FilesystemData.InstallPolicy(objj.Policy, obj.Policy.Order) == false)
                    {
                        continue;
                    }
                    if (ProcessedPolicies.Contains(obj.Policy.ID) == false)
                    {
                        ProcessedPolicies.Add(obj.Policy.ID);
                    }
                }

                List <LoadedPolicyObject> RemovePol = new List <LoadedPolicyObject>();

                foreach (LoadedPolicyObject lobj in FilesystemData.LoadedPolicyObjects)
                {
                    if (ProcessedPolicies.Contains(lobj.PolicyObject.ID) == false)
                    {
                        RemovePol.Add(lobj);
                    }
                }

                foreach (LoadedPolicyObject lobj in RemovePol)
                {
                    FilesystemData.DeletePolicy(lobj);
                }
            }

            net.CloseConnection();

            if (RequestCertPolicyID == 0)
            {
                Status.UpdateMessage(9);
            }

            FoxEventLog.VerboseWriteEventLog("Downloading policies - DONE", System.Diagnostics.EventLogEntryType.Information);
            return(true);
        }